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Published in:
2015 | OriginalPaper | Chapter
PriCL: Creating a Precedent, a Framework for Reasoning about Privacy Case Law
Authors : Michael Backes, Fabian Bendun, Jörg Hoffmann, Ninja Marnau
Published in: Principles of Security and Trust
Publisher: Springer Berlin Heidelberg
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We introduce PriCL: the first framework for expressing and automatically reasoning about privacy case law by means of precedent. PriCL is parametric in an underlying logic for expressing world properties, and provides support for court decisions, their justification, the circumstances in which the justification applies as well as court hierarchies. Moreover, the framework offers a tight connection between privacy case law and the notion of norms that underlies existing rule-based privacy research. In terms of automation, we identify the major reasoning tasks for privacy cases such as deducing legal permissions or extracting norms. For solving these tasks, we provide generic algorithms that have particularly efficient realizations within an expressive underlying logic. Finally, we derive a definition of deducibility based on legal concepts and subsequently propose an equivalent characterization in terms of logic satisfiability.